17991856

素因数分解:

$2^4\times {\mathrm{421}}^1\times {\mathrm{2671}}^1$

素因数の和:3100

約数の個数: 20

約数和(自身を含む): 34955104

約数和(自身を除く): 16963248

約数列:

[1, 2, 4, 8, 16, 421, 842, 1684, 2671, 3368, 5342, 6736, 10684, 21368, 42736, 1124491, 2248982, 4497964, 8995928, 17991856]

約数ペア:

[(1, 17991856), (2, 8995928), (4, 4497964), (8, 2248982), (16, 1124491), (421, 42736), (842, 21368), (1684, 10684), (2671, 6736), (3368, 5342)]